262340140 has 24 divisors (see below), whose sum is σ = 564352992. Its totient is φ = 102376320.

The previous prime is 262340129. The next prime is 262340149. The reversal of 262340140 is 41043262.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (262340149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159144 + ... + 160783.

It is an arithmetic number, because the mean of its divisors is an integer number (23514708).

Almost surely, 2^262340140 is an apocalyptic number.

262340140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

262340140 is an abundant number, since it is smaller than the sum of its proper divisors (302012852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

262340140 is a wasteful number, since it uses less digits than its factorization.

262340140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319977 (or 319975 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 262340140 is about 16196.9176079895. The cubic root of 262340140 is about 640.1595793474.

The spelling of 262340140 in words is "two hundred sixty-two million, three hundred forty thousand, one hundred forty".